Home / 1,279,021.35-1,765,003.21-706,049.22

Finding the Fourth Proportional to 1,279,021.35, 1,765,003.21 and 706,049.22

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Solution

The fourth proportional to 1,279,021.35, 1,765,003.21 and 706,049.22 is: 974,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,021.35 : 1,765,003.21 = 706,049.22 : x
  2. Step 2: Convert to fraction form
    1,279,021.35/1,765,003.21 = 706,049.22/x
  3. Step 3: Cross multiply
    1,279,021.35x = 1,765,003.21 × 706,049.22
  4. Step 4: Simplify right side
    1,279,021.35x = 1,246,179,148,543.16
  5. Step 5: Solve for x
    x = 1,246,179,148,543.16/1,279,021.35
  6. Step 6: Final answer
    x = 974,322.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.